195368807 has 4 divisors (see below), whose sum is σ = 195398280. Its totient is φ = 195339336.

The previous prime is 195368779. The next prime is 195368827. The reversal of 195368807 is 708863591.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-195368807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195368827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368 + ... + 19770.

It is an arithmetic number, because the mean of its divisors is an integer number (48849570).

Almost surely, 2^195368807 is an apocalyptic number.

195368807 is a deficient number, since it is larger than the sum of its proper divisors (29473).

195368807 is a wasteful number, since it uses less digits than its factorization.

195368807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29472.

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 195368807 is about 13977.4392146773. The cubic root of 195368807 is about 580.2543543522.

The spelling of 195368807 in words is "one hundred ninety-five million, three hundred sixty-eight thousand, eight hundred seven".